JPH0537147Y2 - - Google Patents
Info
- Publication number
- JPH0537147Y2 JPH0537147Y2 JP1989027930U JP2793089U JPH0537147Y2 JP H0537147 Y2 JPH0537147 Y2 JP H0537147Y2 JP 1989027930 U JP1989027930 U JP 1989027930U JP 2793089 U JP2793089 U JP 2793089U JP H0537147 Y2 JPH0537147 Y2 JP H0537147Y2
- Authority
- JP
- Japan
- Prior art keywords
- damper
- upper lid
- opening
- frame
- closing means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims description 52
- 229920003002 synthetic resin Polymers 0.000 description 8
- 239000000057 synthetic resin Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Greenhouses (AREA)
- Ventilation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989027930U JPH0537147Y2 (en]) | 1989-03-11 | 1989-03-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989027930U JPH0537147Y2 (en]) | 1989-03-11 | 1989-03-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02120634U JPH02120634U (en]) | 1990-09-28 |
JPH0537147Y2 true JPH0537147Y2 (en]) | 1993-09-20 |
Family
ID=31250859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989027930U Expired - Lifetime JPH0537147Y2 (en]) | 1989-03-11 | 1989-03-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0537147Y2 (en]) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5304166B2 (ja) * | 2008-10-16 | 2013-10-02 | パナソニック株式会社 | 自動販売機 |
-
1989
- 1989-03-11 JP JP1989027930U patent/JPH0537147Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH02120634U (en]) | 1990-09-28 |
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